Fix ruff version

Author: StephenNneji

.github/workflows/run_ruff.yml

@@ -8,5 +8,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: astral-sh/ruff-action@v3
+        with:
+          version: "0.12.x"
       - run: ruff format --check